* {
  margin: 0;
  padding: 0;
}
body {
  background: #cdcdcd;
}
.header_container {
  width: 100%;
  height: 50px;
  background: rgba(47, 47, 47, 0.98);
}
.header_container h2 {
  color: white;
}
.header_container > div {
  width: 650px;
  height: 100%;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.header_container > div input {
  width: 60%;
  height: 24px;
  text-indent: 10px;
  border-radius: 5px;
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.24),
    0 1px 6px rgba(0, 0, 0, 0.45) inset;
  border: none;
  outline: none;
}
.undone_container {
  width: 650px;
  margin: 0 auto;
}
.undone_container h2 {
  margin: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.undone_container h2 span {
  padding: 0 5px;
  height: 20px;
  border-radius: 20px;
  background: #e6e6fa;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #666;
  font-size: 14px;
}
.undone_container ul {
  margin: 15px 0;
}
.undone_container ul li {
  height: 32px;
  background: #fff;
  margin-bottom: 10px;
  border-radius: 3px;
  border-left: 5px solid #629a9c;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.07);
  display: flex;
  align-items: center;
}
.undone_container ul li input {
  width: 22px;
  height: 22px;
  margin: 0 10px;
  cursor: pointer;
}
.undone_container ul li p {
  height: 100%;
  flex: 1;
}
.undone_container ul li span {
  width: 14px;
  height: 12px;
  border-radius: 14px;
  border: 6px double #fff;
  background: #ccc;
  color: #fff;
  font-weight: bold;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 10px;
}
.done_container ul li {
  opacity: 0.5;
}
